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g100num [7]
3 years ago
15

2a) Solve using substitution.

Mathematics
1 answer:
user100 [1]3 years ago
8 0

Answer:

3

Step-by-step explanation:

2x+2 x 2= 10

2x + 4 = 10

-4 -4

2x= 6

divide them by 2 to get x by itself

x=3

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Yes, that is correct due to the distributive property. It states that you can distribute a number to another number.
for example: a(b + c) = ab + ac
in this case, you are distributing the -1 into the 2x + 10
-1(2x + 10)
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In point-slope form that passes through the point (-3,7) and has a<br> slope of 1/2
adell [148]

Answer:

The answer is

\huge \boxed{y - 7 =  \frac{1}{2} (x + 3)}

Step-by-step explanation:

To find an equation of a line in point slope form when given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

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From the question the point is (-3,7) and slope 1/2

We have

y - 7 =  \frac{1}{2} (x + 3) \\

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